Device for maintaining a constant level of liquid in a sink or shower



FIG. 1 shows a top view with the cap removed of a device for maintaining a constant level of liquid in a sink or shower illustrating my new design;

FIG. 2 shows a side view thereof;

FIG. 3 shows a back view thereof;

FIG. 4 shows a top view of the removable cap;

FIG. 5 shows a cross-sectional view along the plane 5-5 indicated on FIG. 1;

FIG. 6 shows a side view of the removable lid shown in FIG. 4;

FIG. 7 shows a bottom view of a device for maintaining a constant level of liquid in a sink or shower; and,

FIG. 8 shows a view of the device for maintaining a constant level of liquid in a sink or shower in use in a drain. In FIG. 8, the broken lines show environmental subject matter that forms no part of the claimed design.

The device for maintaining a constant level of liquid in a sink or shower is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design. 

CLAIM The ornamental design for a device for maintaining a constant level of liquid in a sink or shower, as shown and described. 